22x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 21.75 x 21.75) - 3 Pack 10 Feet Long + Product Details Size -

+ Product Details Size - 34"w X 16"h is the size for the duct opening measurement only

+ Product Spec Sheet Floor Register Spec Sheet

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 10" OR 10" X 18" duct opening (measured at the opening)

22x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 21.75 x 21.75) - 3 Pack 10 Feet Long + Product Details Size -+ Product Details 22" x 22" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 21. 75" x 21. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint